Statistic


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
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13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  
24  package javax.management.j2ee.statistics;
25  
26  /**
27   * The Statistic model and its sub-models specify the data models which are requried to be used to provide the performance data described by the specific attributes in the Stats models. 
28   */
29  public interface Statistic {
30      /**
31       * The name of this Statistic. 
32       */
33      String   getName();
34  
35      /**
36       * The unit of measurement for this Statistic.
37       * Valid values for TimeStatistic measurements are "HOUR", "MINUTE", "SECOND", "MILLISECOND", "MICROSECOND" and "NANOSECOND". 
38       */
39      String   getUnit();
40  
41      /**
42       * A human-readable description of the Statistic. 
43       */
44      String   getDescription();
45  
46      /**
47       * The time of the first measurement represented as a long, whose value is the number of milliseconds since January 1, 1970, 00:00:00. 
48       */
49      long getStartTime();
50  
51      /**
52       * The time of the last measurement represented as a long, whose value is the number of milliseconds since January 1, 1970, 00:00:00. 
53       */
54      long getLastSampleTime();
55  }
56
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